package contorller;

import java.io.IOException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class ABCServlet
 */
@WebServlet("/ABCServlet")
public class ABCServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ABCServlet() {
    	System.out.println("执行ABCServlet的构造方法！");
        
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Servlet#init(ServletConfig)
	 */
	public void init(ServletConfig config) throws ServletException {
		// TODO Auto-generated method stub
		System.out.println("执行ABCServlet的init()初始化方法！");
	}

	/**
	 * @see Servlet#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
		System.out.println("执行ABCServlet的destroy销毁方法！");
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) 
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		//throws ServletException, IOException{
		//	System.out.println("执行ABCServlet的doGet()方法！");
		//	System.out.println("Web项目的根目录或部署后绝对物理路径是" + request.getServletContext().getRealPath(""));
			//System.out.println("ABCServlet的doGet()方法执行")
		//}
		//response.getWriter().append("Served at: ").append(request.getContextPath());
		 request.setCharacterEncoding("UTF-8");
		    // 设置响应编码格式
		    response.setContentType("text/html;charset=UTF-8");
		    // 获取请求参数
		    String name = request.getParameter("name");
		    // 获取响应输出流
			response.getWriter().append("<h1>你好！" + name + "</h1>");
		    // 获取多个同名参数
		    String[] hobbies = request.getParameterValues("hobby");
		    if (hobbies != null) {
		        response.getWriter().append("<h2>爱好：</h2>");
		        response.getWriter().append("<ul>");
		        for (String hobby : hobbies) {
		            response.getWriter().append("<li>" + hobby + "</li>");
		        }
		        response.getWriter().append("</ul>");
		    }
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
